Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects the execution of msiexec.exe referencing a 'Temp.txt' file located within the user's AppData Local Temp directory, which matches a known suspicious file hash. This pattern often indicates an attempt to proxy the execution of malicious payloads via the Windows Installer utility.
Detects rapid enumeration of sensitive system information files (CPU info, command line, device ID, node data) by processes executing from transient or commonly abused directories like /tmp, /var/tmp, or /dev/shm, as well as processes identified with specific malware naming patterns. This behavior often indicates an initial discovery phase by a threat actor or automated malicious agent.
Detects gem packages containing a .yardopts file linking to attacker-controlled Ruby scripts abused for RCE during RubyDoc.info documentation builds
Detects Ruby source files containing a hardcoded RubyGems API key (rubygems_ prefixed token) used for unauthorized gem publish/push actions, as seen in the yardxabc889 package from the GemStuffer campaign
Detects file creation, modification, or renaming in System32 by TieringEngineService.exe or MsMpEng.exe within a short time frame.
This rule detects modifications, creation, or renaming of the Windows hosts file located at 'C:\Windows\System32\drivers\etc\hosts'. Adversaries often modify this file to redirect network traffic, facilitate phishing, or prevent security tools from communicating with update or telemetry servers.
Detects the malicious NFe-themed ZIP dropper MOTOROLA_MOB_COM_NFe_2026-07-16_21781624.zip by known hash and archive structure
Detects the malicious NFe-themed ZIP dropper MOTOROLA_MOB_COM_NFe_2026-07-16_21781624.zip by known hash and archive structure
Detects instances where the Windows Remote Management host process (wsmprovhost.exe) is associated with the execution of specific suspicious files (config.toml, cplsupport.exe, or wtass.exe) within a short time window. This activity often indicates post-exploitation behavior or remote execution of secondary tools using WinRM.
Detects the creation of PHP files within the 'wp-content/uploads/elementor/forms/' directory of a WordPress installation. This behavior is highly suspicious as it often indicates an attempt by an attacker to deploy a web shell or other malicious script following successful exploitation of the Elementor plugin, which allows for arbitrary file uploads.
Detects persistence attempts via the 'BootExecute' registry value hijack and identifies specific file system paths associated with XHOPELESS malware infection markers. This rule alerts on unauthorized modifications to the session manager startup configuration or the presence of known infection indicators.
This rule detects modifications to Windows Registry persistence keys (Run and RunOnce) associated with specific suspicious filenames ('cplsupport.exe', 'wtass.exe'), as well as modifications to specific Synapse agent configuration registry keys. These patterns are often associated with persistence mechanisms or unauthorized software configuration changes.
Detects DragonForce ransomware note (readme.txt) referencing known DragonForce Tor negotiation/blog onion addresses
Detects Run key persistence pointing to the known VBScript staging directory (C:\Users\Public\Libraries\Default\Lib\Lib1) used by the worm-like ScreenConnect campaign (Aug 2026), matching known script filenames (WindowsServiceHost.vbs, 1.vbs-4.vbs) invoked via wscript.exe/cscript.exe.
Detects unauthorized remote write operations (via SMB, Named Pipes, or TCP) to the Windows Certificate Services CertLog directory (C:\Windows\System32\CertLog\). This directory contains sensitive CA database, transaction logs, and checkpoint files. Any modification by a process other than the legitimate certsvc.exe is indicative of potential CA database tampering, malicious log manipulation, or anti-forensics activity.
This rule monitors for file and process events involving 'pubspec.yaml' configuration files or specific Flutter-related components such as 'universal_file_viewer' and 'surveyjs_flutter'. This detection logic is designed to track development activities or the inclusion of specific software packages within a Flutter project environment.
Detects the creation and immediate deletion of a .dylib file within the 'Library/Application Support/updated/instances/' directory on macOS. This pattern is often associated with the ProRAM technique where a shared library is written to disk, loaded via dlopen, and quickly removed to evade static file-based detection.
Matches known malicious dlp.sh/dlp-docker.sh Terraform module scripts used in Coder registry supply chain attack (common, aider, rstudio-server, windows-rdp, zed variants)
Detects cached malicious dlp.sh/dlp-docker.sh Terraform module artifacts served from the compromised registry.coder.com infrastructure
This rule detects modifications or creation of files named 'crond' in standard system paths ('/usr/bin' or '/usr/sbin') that occur within a 4-second window of an 'ssh' binary file event. This pattern is indicative of potential persistence establishment where an adversary replaces or modifies a system daemon while simultaneously interacting with SSH services.
This rule detects the presence of 'winpty-agent.exe' or 'winpty.dll' in proximity to 'node.zip' or 'build.zip' files within common user-writable or temporary directories ('AppData\Local\Temp', 'AppData\Roaming', 'ProgramData', 'Users\Public'). This pattern is often associated with the staging and execution of malicious tools or command-line wrappers in non-standard locations, bypassing legitimate application installation directories.
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